javascript - Google maps responsive resize -

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i'm trying google maps responsive , resize while keeping center when windows resizes. read other stack questions in regards such as:

responsive google map? , center google maps (v3) on browser resize (responsive)

from second stack question i got link helps me part of code still have no luck. code using, when resize window, maps doesn't resize @ all

    function initialize() {       var mapoptions = {        center: new google.maps.latlng(40.5472,12.282715),        zoom: 6,        maptypeid: google.maps.maptypeid.roadmap       };       var map = new google.maps.map(document.getelementbyid("map-canvas"),                 mapoptions);     }     google.maps.event.adddomlistener(window, 'load', initialize);     google.maps.event.adddomlistener(window, "resize", function() {      var center = map.getcenter();      google.maps.event.trigger(map, "resize");      map.setcenter(center);      });

html

 <div id="map-canvas"/>

css

html { height: 100% } body { height: 100%; margin: 0; padding: 0 } #map-canvas { height: 100% }

move map variable scope event listener can use it. creating map inside initialize() function , nothing else can use when created way.

var map; //<-- available both event listeners , initialize() function function initialize() {   var mapoptions = {    center: new google.maps.latlng(40.5472,12.282715),    zoom: 6,    maptypeid: google.maps.maptypeid.roadmap   };   map = new google.maps.map(document.getelementbyid("map-canvas"),             mapoptions); } google.maps.event.adddomlistener(window, 'load', initialize); google.maps.event.adddomlistener(window, "resize", function() {  var center = map.getcenter();  google.maps.event.trigger(map, "resize");  map.setcenter(center);  });

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